On Wed, 8 Nov 2006, Chris Hengge wrote:
> I'm trying to figure out how to compare im1 to im2 and recognize the
> difference. I dont care what the difference is...
>
> something like
>
> if im1 is not im2:
> print "Not same"
Do not use 'is' here. It is not doing any kind of equality testing at
all. We had a discussion about 'is' just a few days ago:
http://mail.python.org/pipermail/tutor/2006-November/050680.html
According to:
http://www.pythonware.com/library/pil/handbook/image.htm
the im.getdata() function looks interesting.
> I've tried im.tostring() but that doesn't ever enter the loop either.
This should have worked. I'm not sure if you tried comparing
two strings using 'is' or not.
> Second question is this:
> Is there a way to divide the screen so I only grab maybe the lower right
> 200x200 pixels or some such?
> Or possibly a way to seperate the image into a grid so I could just take the
> grid I wanted?
im.transform() from the documentation link above looks relevant. Is that
what you're looking for?
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